Re: make bootstrap error

[Paul Eggert <eggert@cs.ucla.edu>]

[-- Attachment #1: Type: text/plain, Size: 359 bytes --]

Ken Brown wrote:
> Paul, any idea why SYS_renameat2 would be undefined on openSUSE 12.3 x86_64?

Haven't a clue, but the workaround should be easy enough. I installed the 
attached; please give it a try. If some platform other than Cygwin starts 
supporting renameat2 we can put a test into configure.ac and change "defined 
CYGWIN" to "HAVE_RENAME2".

[-- Warning: decoded text below may be mangled, UTF-8 assumed --]
[-- Attachment #2: 0001-Port-renameat_noreplace-to-openSUSE-12.3.patch --]
[-- Type: text/x-patch; name="0001-Port-renameat_noreplace-to-openSUSE-12.3.patch", Size: 1090 bytes --]

From bc5485edeff0ccb3fbcc7fe6b6f13c666699e959 Mon Sep 17 00:00:00 2001
From: Paul Eggert <eggert@cs.ucla.edu>
Date: Thu, 14 Sep 2017 07:23:13 -0700
Subject: [PATCH] Port renameat_noreplace to openSUSE 12.3

Problem reported by M. Nomiya in:
http://lists.gnu.org/archive/html/emacs-devel/2017-09/msg00363.html
* src/sysdep.c (renameat_noreplace):
Call renameat2 only if CYGWIN.
---
 src/sysdep.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/sysdep.c b/src/sysdep.c
index 318d4eb..1e6e0d0 100644
--- a/src/sysdep.c
+++ b/src/sysdep.c
@@ -2689,7 +2689,7 @@ renameat_noreplace (int srcfd, char const *src, int dstfd, char const *dst)
 {
 #if defined SYS_renameat2 && defined RENAME_NOREPLACE
   return syscall (SYS_renameat2, srcfd, src, dstfd, dst, RENAME_NOREPLACE);
-#elif defined RENAME_NOREPLACE	/* Cygwin >= 2.9.0. */
+#elif defined CYGWIN && defined RENAME_NOREPLACE
   return renameat2 (srcfd, src, dstfd, dst, RENAME_NOREPLACE);
 #elif defined RENAME_EXCL
   return renameatx_np (srcfd, src, dstfd, dst, RENAME_EXCL);
-- 
2.7.4